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COMPACT VOICE ALARM SYSTEM
SERVICE MANUAL
6.2 External devices
6.2.1 ABT-DFMS reman microphone
The reman microphone is intended to do the following:
» transmit voice messages or system warning and evacuation messages to selected zones during re-ghting,
» activate emergency messages,
» call general-purpose messages,
» select particular zones,
» send voice messages "live”.
The microphone power is supplied locally by a certied re cord (48V) or remotely by PoE.
The device has programmable function buttons which can be assigned given functions. It is also possible to connect up to
5 ABT-EKB-20M extensions with an additional 20 function buttons each. Up to 253 reman microphones can operate in
a single system. The microphone communicates with control units either through an ethernet network or via an optical ber
connection (1000BASE-X).
Another system function is the “CPU OFF” function. The entire system enters a state allowing transmission of voice messages
from the unit on which this function is activated to all alarm zones without the use of the control unit. This enables the system to
transmit to all zones even during central processor failure.
The microphone automatically detects and indicates failures such as function button damage and audio signal track damage.
It is possible to connect keyboard extension by a dedicated 10 pin female connector on the right side wall. The microphone is
equipped with 2 slots for SFP modules, 2 LAN 10/100/1000 ports, 1 LAN 10/100 port, 1 RS485 port.
Drawing 21.
hand held microphone
DIN 5 plug
female
5
1
2x4k7
Microphone pins diagram
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